1. Widdicombe JG, Sant’Ambrogio G, Mathew OP. Nerve receptors in the upper airway. Sant’Ambrogio G (eds). 1988;Respiratory function of the upper airway(In: Mathew OP, Marcel Dekker, New York):193–232.
2. Cough: physiology, evaluation, and treatment;AS Banner;Lung,1986
3. Cough in the community: a cross sectional survey and the relationship to gastrointestinal symptoms;AC Ford;Thorax,2006
4. ERS guidelines on the assessment of cough;AH Morice;The European respiratory journal,2007
5. [Use of recording methods and sound analysis of cough in the study of sound phenomena associated with respiration];M Vrabec;Bratislavske lekarske listy,1997